Cleanup registration of closures

pkg/compiler/lib/src/js_backend/impact_transformer.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library js_backend.backend.impact_transformer;
 
 import '../common.dart';
 import '../common/backend_api.dart' show ImpactTransformer;
 import '../common/codegen.dart' show CodegenImpact;
 import '../common/resolution.dart' show ResolutionImpact;
@@ skipping 364 matching lines @@
 
     for (Pair<ResolutionDartType, ResolutionDartType> check
         in impact.typeVariableBoundsSubtypeChecks) {
       backend.registerTypeVariableBoundsSubtypeCheck(check.a, check.b);
     }
 
     for (StaticUse staticUse in impact.staticUses) {
       switch (staticUse.kind) {
         case StaticUseKind.CLOSURE:
           LocalFunctionElement closure = staticUse.element;
-          if (backend.rtiNeed.methodNeedsRti(closure)) {
+          if (backend.rtiNeed.localFunctionNeedsRti(closure)) {
             impacts.computeSignature
                 .registerImpact(transformed, elementEnvironment);
           }
           break;
         case StaticUseKind.CONST_CONSTRUCTOR_INVOKE:
         case StaticUseKind.CONSTRUCTOR_INVOKE:
           backend.lookupMapAnalysis.registerInstantiatedType(staticUse.type);
           break;
         default:
       }
@@ skipping 30 matching lines @@
         case AsyncMarker.ASYNC_STAR:
           impacts.asyncStarBody.registerImpact(transformed, elementEnvironment);
           break;
       }
     }
 
     // TODO(johnniwinther): Remove eager registration.
     return transformed;
   }
 }